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公开(公告)号：US20190040970A1
公开(公告)日：2019-02-07
申请号：US15757703
申请日：2016-08-12
申请人： KYB Corporation
发明人： Toru TAKEUCHI
摘要： A composite valve provided in a solenoid valve includes a sliding hole having a first port and a second port, a sub-port communication passage branched from the sliding hole and having a third port, a first valve body allowing only the flow of hydraulic oil from the first port to the second port, and a second valve body allowing only the flow of the hydraulic oil from the third port to the second port. The first valve body and the second valve body are displaced along the sliding hole formed to be straight. When the first valve body is opened, the hydraulic oil is introduced from the first port to the second port through a through hole provided in the second valve body.
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公开(公告)号：US20180195627A1
公开(公告)日：2018-07-12
申请号：US15742572
申请日：2016-07-08
申请人： KYB Corporation
发明人： Toru TAKEUCHI
CPC分类号： F16K11/105 , E02F9/00 , F15B13/0405 , F15B13/0442 , F15B2013/041 , F16K11/24
摘要： A combination valve built in a main valve of a solenoid valve includes: a first communication passage having a first port and a second port; a second communication passage branching from the first communication passage and having a third port; a first valve body provided in the first communication passage and configured to permit only the flow of working oil from the first port to the third port; and a second valve body provided in the first communication passage and configured to permit only the flow of working oil from the first port to the second port. The first valve body is located upstream relative to the second valve body.
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公开(公告)号：US20160327166A1
公开(公告)日：2016-11-10
申请号：US15109663
申请日：2014-12-03
申请人： KYB CORPORATION
发明人： Toru TAKEUCHI
IPC分类号： F16K3/26 , F15B13/043 , F16K31/06 , F16K1/54 , F16K31/40
CPC分类号： F16K3/267 , F15B13/0433 , F16K1/54 , F16K3/34 , F16K31/408 , F16K47/04 , G05D7/005
摘要： A solenoid valve includes a main poppet configured to control a flow rate of working fluid flowing in a valve passage according to a pilot pressure, an auxiliary poppet configured to adjust the pilot pressure according to the electromagnetic force, and a first seat portion and a second seat portion provided in the valve passage. The main poppet includes a poppet valve seated on the first seat portion and a spool valve slidable in the second seat portion. The spool valve includes an outer peripheral surface slidable relative to the second seat portion and through holes open on the outer surface and configured such that areas thereof exposed from the second seat portion change in accordance with a movement of the spool valve.
摘要翻译： 电磁阀包括主提升阀，其配置成根据先导压力控制在阀通道中流动的工作流体的流量;辅助提升阀，其被配置为根据电磁力调节先导压力;以及第一座部分和第二 设置在阀通道中的阀座部分。 主提升阀包括位于第一座椅部分上的提升阀和可在第二座椅部分滑动的滑阀。 滑阀包括可相对于第二座部部分滑动的外周表面和在外表面上打开的通孔，并且构造成使得其从第二座部分露出的区域根据滑阀的移动而改变。
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公开(公告)号：US20190145540A1
公开(公告)日：2019-05-16
申请号：US15759518
申请日：2016-08-26
申请人： KYB Corporation
发明人： Toru TAKEUCHI
IPC分类号： F16K31/06
摘要： A solenoid valve includes a main valve configured to change a communication opening degree between a first port and a second port, a control pressure chamber configured to bias the main valve in a valve closing direction, an auxiliary valve configured to open and close a first communication passage and a second communication passage formed in the main valve, a solenoid portion configured to displace the auxiliary valve, a back pressure chamber and a sub-return spring configured to bias the auxiliary valve in a valve closing direction, and a pressure compensation unit configured to change a biasing force of the sub-return spring acting on the auxiliary valve according to a pressure in the back pressure chamber.
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公开(公告)号：US20180224023A1
公开(公告)日：2018-08-09
申请号：US15750914
申请日：2016-08-12
申请人： KYB Corporation
发明人： Toru TAKEUCHI
CPC分类号： F16K31/42 , F16K31/0644 , F16K31/408
摘要： The present invention prevents opening of a unidirectional flow control valve caused by an increase in the pressure in a sub port. A solenoid valve controls a flow rate of working oil flowing from a main port to a sub port, and includes: a main valve that enables communication between the main port and the sub port; a control pressure chamber that biases the main valve in a direction of closing the main valve; a first valve body provided in a main port communication passage that enables communication between the main port and the control pressure chamber; and a second valve body provided in a sub port communication passage that enables communication between the sub port and the control pressure chamber.
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公开(公告)号：US20180195640A1
公开(公告)日：2018-07-12
申请号：US15740534
申请日：2016-07-08
申请人： KYB CORPORATION
发明人： Toru TAKEUCHI
摘要： A solenoid valve includes a main valve that controls a flow rate of a working fluid, a sleeve in which the main valve is slidably inserted, and a solenoid unit that displaces the main valve. The sleeve includes a slide support and a large-diameter portion. The main valve is slidably supported by the slide support. The large-diameter portion is closer to an open end of the insertion hole than the slide support is, and has a diameter larger than an outer diameter of the slide support. The sleeve is fixed inside the insertion hole by causing the large-diameter portion to be pushed against the valve block by the solenoid unit.
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